Dennis Shared "HGD1" - 45 Picmonics

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HGD1

Testes
Characteristics
FSH Stimulates Sertoli Cells
Inhibin B Release
LH Stimulates Leydig Cells
Leydig Cells Secrete Testosterone
Testosterone Causes Male Development
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2 mins
Spermatogenesis
Seminiferous Tubules
Sertoli Cells
Spermatogonia
Mitosis
Primary Spermatocyte
Meiosis I
Secondary Spermatocyte
Meiosis II
Spermatid
Spermatozoa
Acrosome
Flagellum
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2 mins
Oogenesis
Characteristics
Primary Oocytes From Birth
Meiosis I Once a Month
Secondary Oocyte Plus Polar Body
Frozen in Metaphase II, in Meiosis II
Ovulation
Fertilization by Sperm
Meiosis II
Ovum
Zygote Forms
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2 mins
Ejaculation Pathway
SEVEn UP
Seminiferous Tubules
Epididymis
Vas Deferens
Ejaculatory Ducts
Urethra
Penis
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1 min
Kallman Syndrome
Mutation in KAL-1 or FGFR-1 Gene
Failure of GnRH Secreting Neurons
Delayed Puberty
Anosmia
Hypogonadism
Infertility
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2 mins
Androgen Insensitivity (Complete)
Defect in androgen receptor
Phenotypically female
(46, XY)
Female external genitalia
Rudimentary Vagina
Scant sexual hair
Testes often in labia majora
Testes surgically removed to prevent malignancy
Increased estrogen, testosterone, and LH
Absent uterus and fallopian tubes
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3 mins
Benign Prostatic Hyperplasia (BPH) Diagnosis and Treatment
Diagnosis
Digital Rectal Exam
Urinalysis to Detect Infection or Blood
Treatment
Alpha-1 Antagonists
Tamsulosin
5 Alpha Reductase Inhibitors
Finasteride
TURP (Transurethral Resection of Prostate)
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1 min
Benign Prostatic Hyperplasia (BPH) Disease
Mechanism and Characteristics
DHT-induced Growth Factors
Common in Men > 50 Years Old
Smooth, Symmetric, Firm Enlargement
Affects Lateral and Middle (Periurethral) Gland
Urethra Compression
Symptoms and Complications
Increased Urinary Frequency
Nocturia
Dysuria
Urinary Tract Infection
Hydronephrosis
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1 min
5 Alpha Reductase Deficiency
Autosomal Recessive
Inability to Convert Testosterone to DHT
Normal Internal Genitalia
Ambiguous External Genitalia until Puberty
Masculinization During Puberty with Growth of External Genitalia
LH can be Increased
Normal Estrogen, LH, and Testosterone levels
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2 mins
Endometriosis Characteristics
Endometrial Tissue Outside of Uterus
Glands and Stroma
Most Common in Ovary, Pelvis, Peritoneum and Bowels
"Chocolate Cyst" in Ovary
Adenomyosis
Theories
Retrograde Flow
Metaplastic Transformation
Mullerianosis
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1 min
Klinefelter's Syndrome
Pathophysiology
Male (XXY)
Signs and Symptoms
Eunuchoid Body Shape
Gynecomastia and Female Hair Distribution
Testicular Atrophy
Dysgenesis of Seminiferous Tubules
Possible Developmental Delay
Hypogonadism
Decreased Inhibin B
Increased FSH
Abnormal Leydig Cell Function
Decreased Testosterone
Increased LH
Increased Estrogen
Barr body (inactivated X chromosome)
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6 mins
Turner Syndrome
Signs and Symptoms
Female (XO)
Short stature
Shield Chest
Cystic Hygroma (Webbing of Neck)
Lymphedema in Hands and Feet
Ovarian Dysgenesis
Streak Ovary
Decreased Estrogen
Increased FSH
Increased LH
Dysgerminoma
Bicuspid Aortic Valve
Preductal Coarctation of the Aorta
Horseshoe Kidney
Menopause before Menarche
Amenorrhea
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5 mins
Yolk Sac Tumor
Germ-cell tumor
AFP
Aggressive Malignancy
Yellow, Friable Solid
Schiller-Duval Bodies
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43 secs
Teratoma
Germ-cell Tumor
Dermoid Cyst
Immature Teratoma
Struma Ovarii
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2 mins
Dysgerminoma
Germ-cell tumor
Most Common Malignant Germ Cell Tumor
Uniform Cells
Fried Egg Cells
hCG
LDH
Seminoma-like
Turner Syndrome
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2 mins
Polycystic Ovarian Syndrome (PCOS) Mechanism
Mechanism
Hyperinsulinemia Increases GnRH Pulse Frequency
Large Increase in LH
Small Decrease in FSH
Increased Androgen Production From Theca-Lutein Cells
Decreased Steroid Hormone-Binding-Globulin (SHBG) Causes Increased Free Testosterone
Obese Patients Have Increased Estrogen
Increased Risk of Endometrial Cancer
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2 mins
Endometriosis Symptoms and Treatment
Symptoms
Dysmenorrhea
Cyclic Pelvic Pain
Dyschezia
Dysuria
Dyspareunia
30-40% are Infertile
Treatment
Surgery
NSAIDs
OCPs
Progesterone (Progestins)
GnRH Agonists
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1 min
Ovulatory Hormones I - Follicular Phase
0-14 Days
GnRH Stimulates FSH and LH
Follicle Secretes Estrogen
Negative Feedback from Estrogen
Increased Estrogen Leads to Positive feedback
FSH and LH Surge
Increased Estrogen from Follicle
LH Spike Leads to Ovulation
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2 mins
Ovulatory Hormones II - Luteal Phase
Days 15-28
Corpus Luteum
Secretes Progesterone
Negative Feedback inhibits FSH and LH
No pregnancy forms Corpus Albicans
Stops Estrogen Secretion
Endometrial Sloughing - Menses
GnRH secretion produces new follicular phase
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2 mins
Menopause Lab Findings
Decreased Estrogen
Lack of Negative Feedback
Increased FSH
Increased LH
Increased GnRH
Small Amount of Estrogen From Androgen Conversion
Increased Androgens = Hirsutism
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1 min

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